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Employee Stock Compensation Plans (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Sep. 01, 2017	Jun. 08, 2013
Share-based Payment Arrangement [Abstract]
Total shares available for awards in 2013 Plan, as amended							5,750,000
Outstanding options exercisable with option prices between $0.28 and $0.77 per share	4,373,000		4,373,000		5,223,160
Options granted at $0.28 per shareand $0.62 per share			150,000	100,000
Grant date fair value options granted			$ 23	$ 12
Options expired with exercise prices between $1.68 and $0.70 per share			1,000,160
Stock option compensation expense recorded	$ 85	$ 432	$ 173	$ 442
Conditional options granted with exercise price of $0.77 per share, with grant date fair value of $970,000						2,300,000
Unrecognized stock option compensation cost related to non-vested options	$ 487		$ 487

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Number of shares authorized for issuance under share-based payment arrangement.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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